Subsequent Events (Detail Textuals) $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 01, 2016 USD ($) Employee	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2015 USD ($)
Business Acquisition [Line Items]
Revenue		$ 830,437	$ 815,423	$ 1,652,879	$ 1,630,149
Term Loan Borrowing		$ 999,814		$ 999,814		$ 1,074,297
L-3 National Security Solutions, Inc. and L-3 Data Tactics, Inc. (together, "NSS") | Subsequent event
Business Acquisition [Line Items]
Cash consideration	$ 550,000
Number of employees | Employee	4,000
Revenue	$ 1,000,000
Term Loan Borrowing	$ 300,000